Examples of org.geoserver.wms.WMSMapContext

org.geoserver.wms.WMSMapContext
Extends DefaultMapContext to provide the whole set of request parameters a WMS GetMap request can have.
In particular, adds holding for the following parameter values:
- WIDTH
- HEIGHT
- BGCOLOR
- TRANSPARENT
@author Gabriel Roldan @author Simone Giannecchini - GeoSolutions SAS @version $Id: WMSMapContext.java 14906 2010-09-22 02:33:56Z groldan $

        b = new SimpleFeatureBuilder(type2);
        b.add(wkt.read("LINESTRING(0 0, 1 1)"));
        b.add("one");
        features2.add(b.buildFeature("fid.1"));
        
        WMSMapContext context = new WMSMapContext();
        context.addLayer(new MapLayer(DataUtilities.source(features1), null));
        context.addLayer(new MapLayer(DataUtilities.source(features2), null));
        context.setMapWidth(500);
        context.setMapHeight(500);
        context.setAreaOfInterest(new ReferencedEnvelope(-180, 180, -90, 90, DefaultGeographicCRS.WGS84));
        
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        adapter.write(context, out);
        
        String result = "500;500\n" +

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            nsSupport.declarePrefix("georss", "http://www.georss.org/georss");
            nsSupport.declarePrefix("atom", "http://www.w3.org/2005/Atom");
        }


        public void encode(Object o) throws IllegalArgumentException {
            WMSMapContext map = (WMSMapContext) o;


            AttributesImpl atts = new AttributesImpl();
            atts.addAttribute(null, "version", "version", null, "2.0");


            start("rss", atts);

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        ShapefileDataStore ds = new ShapefileDataStore(shapeFile.toURL());


        final FeatureSource<SimpleFeatureType, SimpleFeature> fs = ds.getFeatureSource("states");
        final ReferencedEnvelope env = new ReferencedEnvelope(fs.getBounds(), WGS84);


        final WMSMapContext map = new WMSMapContext();
        map.setAreaOfInterest(env);
        map.setMapWidth(mapWidth);
        map.setMapHeight(mapHeight);
        map.setTransparent(false);


        Style basicStyle = getTestStyle("Population.sld");
        map.addLayer(fs, basicStyle);


        EncodeHTMLImageMap imageMap = this.mapProducer.produceMap(map);


        assertTestResult("States", imageMap);
    }

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                .getFeatureSource("BasicPolygons");
        final ReferencedEnvelope env = new ReferencedEnvelope(fs.getBounds(), WGS84);


        LOGGER.info("about to create map ctx for BasicPolygons with bounds " + env);


        final WMSMapContext map = new WMSMapContext();
        map.setAreaOfInterest(env);
        map.setMapWidth(mapWidth);
        map.setMapHeight(mapHeight);
        map.setTransparent(false);


        Style basicStyle = getTestStyle("default.sld");
        map.addLayer(fs, basicStyle);


        EncodeHTMLImageMap result = mapProducer.produceMap(map);
        assertTestResult("BasicPolygons", result);


    }

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                .getFeatureSource("PolygonWithHoles");
        final ReferencedEnvelope env = new ReferencedEnvelope(fs.getBounds(), WGS84);


        LOGGER.info("about to create map ctx for BasicPolygons with bounds " + env);


        final WMSMapContext map = new WMSMapContext();
        map.setAreaOfInterest(env);
        map.setMapWidth(mapWidth);
        map.setMapHeight(mapHeight);
        map.setTransparent(false);


        Style basicStyle = getTestStyle("default.sld");
        map.addLayer(fs, basicStyle);


        EncodeHTMLImageMap result = mapProducer.produceMap(map);
        assertTestResult("PolygonWithHoles", result);
    }

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                .getFeatureSource("PolygonWithSkippedHoles");
        final ReferencedEnvelope env = new ReferencedEnvelope(fs.getBounds(), WGS84);


        LOGGER.info("about to create map ctx for BasicPolygons with bounds " + env);


        final WMSMapContext map = new WMSMapContext();
        map.setAreaOfInterest(env);
        map.setMapWidth(mapWidth);
        map.setMapHeight(mapHeight);
        map.setTransparent(false);


        Style basicStyle = getTestStyle("default.sld");
        map.addLayer(fs, basicStyle);


        EncodeHTMLImageMap result = mapProducer.produceMap(map);
        assertTestResult("PolygonWithSkippedHoles", result);
    }

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        final ReferencedEnvelope env = new ReferencedEnvelope(fs.getBounds(),
                CRS.decode("EPSG:3004"));


        LOGGER.info("about to create map ctx for ProjectedPolygon with bounds " + env);


        final WMSMapContext map = new WMSMapContext();


        CoordinateReferenceSystem sourceCrs = CRS.decode("EPSG:3004");
        CoordinateReferenceSystem targetCrs = CRS.decode("EPSG:3003");


        MathTransform transform = CRS.findMathTransform(sourceCrs, targetCrs, true);
        Envelope projEnv = JTS.transform(env, transform);
        ReferencedEnvelope refEnv = new ReferencedEnvelope(projEnv, targetCrs);


        map.setAreaOfInterest(refEnv);
        map.setMapWidth(mapWidth);
        map.setMapHeight(mapHeight);
        map.setBgColor(Color.red);
        map.setTransparent(false);


        map.setCoordinateReferenceSystem(targetCrs);
        Style basicStyle = getTestStyle("BasicPolygons.sld");


        map.addLayer(fs, basicStyle);


        EncodeHTMLImageMap result = mapProducer.produceMap(map);
        assertTestResult("ProjectedPolygon", result);
    }

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                .getFeatureSource("RoadSegments");
        final ReferencedEnvelope env = new ReferencedEnvelope(fs.getBounds(), WGS84);


        LOGGER.info("about to create map ctx for RoadSegments with bounds " + env);


        final WMSMapContext map = new WMSMapContext();
        map.setAreaOfInterest(env);
        map.setMapWidth(mapWidth);
        map.setMapHeight(mapHeight);


        map.setTransparent(false);


        Style basicStyle = getTestStyle("RoadSegments.sld");
        map.addLayer(fs, basicStyle);


        EncodeHTMLImageMap result = mapProducer.produceMap(map);
        assertTestResult("RoadSegments", result);


    }

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        final ReferencedEnvelope env = new ReferencedEnvelope(fs.getBounds(), WGS84);


        LOGGER.info("about to create map ctx for RoadSegments with filter on name and bounds "
                + env);


        final WMSMapContext map = new WMSMapContext();
        map.setAreaOfInterest(env);
        map.setMapWidth(mapWidth);
        map.setMapHeight(mapHeight);


        map.setTransparent(false);


        Style basicStyle = getTestStyle("RoadSegmentsFiltered.sld");
        map.addLayer(fs, basicStyle);


        EncodeHTMLImageMap result = mapProducer.produceMap(map);
        assertTestResult("RoadSegmentsFiltered", result);


    }

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                .getFeatureSource("BuildingCenters");
        final ReferencedEnvelope env = new ReferencedEnvelope(fs.getBounds(), WGS84);


        LOGGER.info("about to create map ctx for BuildingCenters with bounds " + env);


        final WMSMapContext map = new WMSMapContext();
        map.setAreaOfInterest(env);
        map.setMapWidth(mapWidth);
        map.setMapHeight(mapHeight);


        map.setTransparent(false);


        Style basicStyle = getTestStyle("BuildingCenters.sld");
        map.addLayer(fs, basicStyle);


        EncodeHTMLImageMap result = mapProducer.produceMap(map);
        assertTestResult("BuildingCenters", result);


    }

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